from itsdangerous import TimedJSONWebSignatureSerializer as Serializer
from meiduo_mall import settings
def generic_email_verify_token(user_id):
    s=Serializer(secret_key=settings.SECRET_KEY,expires_in=3600*24)
    data=s.dumps({'user_id':user_id})
    return data.decode()

def check_verify_token(token):
    s = Serializer(secret_key=settings.SECRET_KEY, expires_in=3600 * 24)
    try:
        result=s.loads(token)
    except Exception:
        return  None

    return  result.get('user_id')